Summary
Milly Alcock’s career has skyrocketed from Australian TV dramas to global fame, with standout performances in Upright, House of the Dragon, and Sirens. Her roles display remarkable range — from the rebellious Meg to the regal young Rhaenyra Targaryen. With projects like The Gloaming, Reckoning, and her stage debut in The Crucible, Alcock has proven her versatility. Now set to take flight as Supergirl in Woman of Tomorrow (2026), she’s poised to become one of the defining actresses of her generation.
Milly Alcock, born April 11, 2000, in Sydney, Australia, is one of the fastest-rising stars in the entertainment world. Known for her versatile acting and ability to bring layered characters to life, Alcock went from small-screen appearances in Australian dramas to starring in one of HBO’s biggest fantasy series, and soon she’ll be wearing the iconic cape as Supergirl in the DC Universe.
Her journey is a testament to both raw talent and relentless dedication. Let’s take a deep dive into her most significant works, ranking them from notable early roles to her most career-defining performances.
1. House of the Dragon (2022–2024) – Young Rhaenyra Targaryen
When House of the Dragon premiered, the world was introduced to a young Rhaenyra Targaryen played by Milly Alcock — and audiences were instantly captivated. Her portrayal of the ambitious, conflicted princess balanced regal authority with human vulnerability, earning her critical acclaim and a Critics’ Choice nomination. Alcock’s performance helped set the emotional foundation for the entire series, proving she could command the screen in a high-stakes production.
2. Upright (2019–2022) – Meg
In this heartfelt road-trip drama co-starring Tim Minchin, Alcock plays Meg, a runaway teen with a tough exterior and a heartbreaking backstory. Her natural chemistry with Minchin made the show a critical darling, and the role earned her the Casting Guild of Australia’s Rising Star Award. For many in Australia, this was their first introduction to her undeniable screen presence.
3. Sirens (2025) – Simone DeWitt
Netflix’s limited series Sirens saw Alcock stepping into a darker, more psychologically complex role. Playing Simone DeWitt alongside Julianne Moore and Meghann Fahy, Alcock brought intensity and nuance to a show layered with suspense and intrigue. This performance cemented her reputation as an actress capable of handling challenging, morally ambiguous characters.
4. Reckoning (2019) – Sam Serrato
In this crime thriller, Alcock portrayed the daughter of a detective caught in a dangerous serial killer investigation. Though not the lead, her scenes carried emotional weight and added a relatable, human dimension to the show’s tense atmosphere.
5. The Gloaming (2020) – Jenny McGinty
Playing Jenny in this supernatural crime drama, Alcock’s brief but pivotal role resonated with viewers. Her portrayal of a victim whose story unravels in flashbacks gave depth to the series’ central mystery.
6. Pine Gap (2018) – Marissa Campbell
Set in a high-security intelligence facility, Pine Gap gave Alcock a chance to flex her skills in a political thriller setting. While a supporting role, it was another step in building her résumé and showing her adaptability to diverse genres.
7. Janet King and A Place to Call Home (2017–2018) – Early Guest Roles
Before landing bigger projects, Alcock cut her teeth with appearances in Australian TV staples like Janet King and A Place to Call Home. These roles may have been small, but they helped her gain industry experience and hone her craft.
8. The School (2018) – Jien
In this supernatural horror film, Alcock took on the role of Jien, a student entangled in eerie and unsettling events. While not a commercial hit, the film demonstrated her willingness to take creative risks early in her career.
9. Music Video Appearance – Easy Now by Noel Gallagher
Branching beyond traditional acting roles, Alcock starred in Noel Gallagher’s Easy Now music video in 2023. It showcased her charisma and ability to convey emotion without dialogue — an underrated acting skill.
10. Stage Work – The Crucible (2023)
Alcock made her West End debut as Abigail Williams in The Crucible. Live theater is a true test of an actor’s range and stamina, and Alcock’s commanding performance earned her strong reviews, proving she’s not just a screen actor but a multi-platform talent.
What’s Next: Supergirl: Woman of Tomorrow (2026)
Perhaps the most career-defining project on the horizon, Alcock will don the cape as Kara Zor-El in Supergirl: Woman of Tomorrow. Set to release in 2026, the film follows her appearance in Superman (2025) and is expected to propel her into full-fledged global superstardom. Fans are eager to see how she blends strength, compassion, and relatability into one of DC Comics’ most beloved characters.
Why This Ranking Matters for Fans and Industry Watchers
Milly Alcock’s career arc is a rare blend of organic growth and breakout moments. She’s navigated the tricky shift from national recognition in Australia to international fame without losing her authenticity. For aspiring actors, her story offers lessons in choosing diverse roles, staying grounded, and embracing creative challenges.
From Upright to House of the Dragon to Supergirl, each role in this ranking reflects a step forward in her artistry. Whether in the intimacy of a road-trip drama or the grandeur of a fantasy epic, Alcock proves she has the range to carry any story.
Also Read : Scary Movie Reboot 2026: Anna Faris, Regina Hall, and the Wayans Brothers Reunite
Final Thoughts
Milly Alcock is not just a rising star — she’s a generational talent whose résumé is already filled with critically praised work. With Supergirl on the horizon, the next phase of her career promises to be even more remarkable. If her past roles are any indication, audiences can expect performances that are not only memorable but culturally impactful.
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